Ford F150 Pickup. Manual - part 1217

Fig. 7: Identifying Spark Plug Coils (5.4L - 4 Valve, Coil On Plug) 
Courtesy of FORD MOTOR CO. 

Firing Order (6.0L Diesel & 7.3L Diesel) 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Service & Adjustment Specifications - Excursion & Pickup

Fig. 8: Identifying Firing Order (6.0L Diesel & 7.3L Diesel) 
Courtesy of FORD MOTOR CO. 

Firing Order (6.8L) 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Service & Adjustment Specifications - Excursion & Pickup

Fig. 9: Identifying Firing Order (6.8L - Coil On Plug) 
Courtesy of FORD MOTOR CO. 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Service & Adjustment Specifications - Excursion & Pickup

Fig. 10: Identifying Spark Plug Coils (6.8L - Coil On Plug) 
Courtesy of FORD MOTOR CO. 

IGNITION TIMING 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Service & Adjustment Specifications - Excursion & Pickup